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What is it called when the nebula begins collapsing and turning into a small spinning cloud?
This stage is called protostar formation. As the nebula collapses due to gravity, it begins to spin faster and forms a hot, dense core known as a protostar. This marks the beginning of the process that will eventually lead to the formation of a new star.
Why does theory predict that a neutron star should spin fast?
Neutron stars are born from massive stars collapsing, which conserves the original star's angular momentum. Since the original star had a slow rotation, the neutron star that forms from it will have a faster spin due to the conservation of angular momentum.
Why do neutron star spin so rapidly?
Most stars spin (albeit is very slowly), but when the star starts to shrink it will speed up due to conservation of angular momentum. Moreover because a neutron star is so very heavy it takes a long time for it to slow down (breaking can occur via magnetic fields for example). You can test this principle yourself by sitting into an office chair, spreading your arms, and have someone give you a good whirl. You will find that while spinning you will spin faster if you pull your arms inwards and slower if you put them out again.
Why do you expect neutron stars to spin rapidly?
This is because of a law called conservation of angular momentum. If a star - which will usually have some rotation, and therefore some rotational momentum - collapses to a size of 20-30 km., angular momentum is conserved. Since the diameter decreases, it must spin faster. (Angular momentum is the product of a quantity called moment of inertia, which depends on the diameter of an object, and angular velocity.)
What starts a black hole?
it simply starts when a star collapses
Why do pulsars spin so fast?
Because of the conservation of rotational momentum. As a stars core collapses, it retains the original rotational velocity. As a pulsar or neutron star's original size was in the region of 60,000 time greater that it's current form, the rotational speed is multiplied by this factor. Maintaining the rotational momentum requires the star to spin faster.
What star does not spin?
All stars rotate (spin). Some spin faster than others, but all stars will rotate as without this rotation, the star will literally fall into space.
Which type of star is produced when a large star collapses in a supernova?
When a large star collapses in a supernova, it can produce either a neutron star or a black hole, depending on the mass of the original star. A neutron star forms when the core of the star collapses but the outer layers are ejected, while a black hole forms when the core collapses completely.
What do you call it when a star explodes as a supernova and collapses?
pulsar star and if it collapses even more a Black hole.
What is a star's second stage?
The first stage in a star's life is as a nebula. As the gravitational forces spin faster, the star enters it's second stage, that of a prostar.
What is it called when the nebula begins collapsing and turning into a small spinning cloud?
This stage is called protostar formation. As the nebula collapses due to gravity, it begins to spin faster and forms a hot, dense core known as a protostar. This marks the beginning of the process that will eventually lead to the formation of a new star.
Why does theory predict that a neutron star should spin fast?
Neutron stars are born from massive stars collapsing, which conserves the original star's angular momentum. Since the original star had a slow rotation, the neutron star that forms from it will have a faster spin due to the conservation of angular momentum.
What is produced when the outer core of a star explodes after the star collapses?
Supernova
How do pulsars spin so fast?
Because of the conservation of rotational momentum. As a stars core collapses, it retains the original rotational velocity. As a pulsar or neutron star's original size was in the region of 60,000 time greater that it's current form, the rotational speed is multiplied by this factor. Maintaining the rotational momentum requires the star to spin faster.
What can be formed when a star collapses?
Depending on the size of the star: a neutron star or a black hole-
Why do neutron star spin so rapidly?
Most stars spin (albeit is very slowly), but when the star starts to shrink it will speed up due to conservation of angular momentum. Moreover because a neutron star is so very heavy it takes a long time for it to slow down (breaking can occur via magnetic fields for example). You can test this principle yourself by sitting into an office chair, spreading your arms, and have someone give you a good whirl. You will find that while spinning you will spin faster if you pull your arms inwards and slower if you put them out again.
What is the duration of Spin Star?
The duration of Spin Star is 2700.0 seconds.
